Boom drive



Dec. 15, 1925- C. E. FOOTE BOOM DRIVE Ze ff Dec. 15, 1925.

1,565,634 c. E. Foo'rE BOOM DRIVE Filed May 29, 1925 3 Sheets-She-et 2 4 -f 1Q Wm y n a 1? 1 D f /12 19 a? L o l lI l l 6,/ 2.6 1.9 1f 7 E2 `a3\ a E4 19a 4 AHH.

Dec. 15 1925.

C. E. FOOTE BOOM DRIVE Filed May 29, 1925 3 Sheets-Sheet 5 Inv/senior: Chai/'lues E. 0,0,Z'e,

'Patented oec. 15, 1925.

UNITED STATES .1,565,634 PATENT OFFICE.

CHARLES E. FOOTE, oF NUNDA, NEW YORK, AssroNoR To THE FOOTE COMPANY, INC.,

' OF NUNDA,.NEW YORK,l A CORPORATION or NEW YORK.

BOOM DRIVE.

Application filed May 29, 1925. Serial No. `33,690.

To all whom z't may conce-rn:

Be it known that I, CHARLES E. FooTE, a citizen of the United States of America, residing at Nunda, in the county of L1v1n'gston and State of New York, have invented certain new' and useful Improvements 1n Boom Drives, of which the following 1s a specification.

My invention relates to new and useful improvements in boom supports for concrete pavers and has for an obJect to provide a support which will not only holdthe boom rigidly when the support 1s 1n lts upright position, but will also hold the boom when the support is in its lowered position, as during the travelling or moving of the paver from one place to another, or being placed in a shed or building, or other inclosure.

In the types of concrete pavers now in use, there is always some form of tie-rod or cable extending from near the Outer end of the boom to a supportin frame, and this frame itself is relatively hlgh, the addition of the boom support makes the over all height so great that it is necessary to often remove the boom support before the paver can be put in a shed or other building.

Also, when moving from place to place, it has been desirable to remove the boom-support, as otherwise it would rattle and soon jar loose in its bearings.

One of the objects, therefore, of the present invention is to provide a boom support substantially inthe shape of an A-frame which may be quickly lowered when desired from its upright position and even though the boom support is in its lowered position, the cable extending from the sup-port to the end of the boom may be tightened so that the boom will still be rigidly held and supported in its horizontal position.

Still another object of the invention is to provide a boom support consisting of two legs pivotally mounted at their base and joined at their apex to thus form a triangular support. To brace these legs and to provide an attaching means for a cable, a relatively wide plate is secured to the triangular legs in the form of a cross bar, thus making the substantially A-shaped frame and bracing the structure as a whole.`

Still another Object of the invention is to provide a pivotal support for a boom of a concrete paver and to arranged the support so that when it is in its upright position, it

is tied to or connected with the support for the skip. The skip support and boom support have a form of balancing action for the loads. v

Another object. of the invention is to provide a boom support which may be quickly placed in its upright position and trussed to the framework of the paver and to the skip support, and to provide a means for.

tightening up the cable extending to the boom, so that the boom may be supported in different elevations. At the same time, the support and cable-tightening means are arranged to allow the frame to be quickly lowered to a horizontal position and in this position also the slack of the cable may be taken up and the boom supported.

Still another object of the invention is to provide a pivotal Vsupport for the boom which may be elevated when the paver is in use and lowered to a horizontal position when the machine is moving from one operation to another, and even though this support be in its horizontal position, still, it

will support the boom as the slack in the cable may be quickly taken in.

Furthermore, this boom support will be trussed to a skip support, it being possible to also lower this support so that both supports may be lowered when the paver is to be moved and it is desired to lower its over all height.

This ski support is also substantially an A-shaped flame and has a backbone which is divided and is pinned when the skip support is in its normal or working position.

Still other objects of the invention are to arrange the boom support and the skip support so that there is a truss or bridging action between the boom support and the skip support, thus materially strengthening the super-structure and supports as a whole.

With these and other objects in view, the invention consists in certain new and novel arrangements and combination of parts as will be hereinafter described and pointed out in the claims.

Referring now to the drawings showing a preferred embodiment of my invention,

Fig. l is a side elevation of a Foote paver the boom support being shown in its elevated position, and the skip support also being shown in its elevated position, a number of parts of the paver being left out for the sake of clearness.

the ward end of the paver showing the boom support in its folded or horizontal position.

Fig. 3 is a fragmentary top plan view of the boom support in its horizontal position.

Fig. 4 is a front view of the A-shaped boom support, the frame being shown in its elevated position.

Fig. 5 is a detailed sectional view of the same, showing the drum and worm for operating the same.

Fig. 6 is a top plan view of the skip support, and

Fig. 7 is a fragmentary view of the paver showing the skip support in its lowered. position.

Referring now to Fig. 1, a Foote type paver is shown, having the horizontal boom and bucket, the boom being similar to the boom shown in my Patents No. 1,443,354 of January 30, 1923 and No. 1,478,945 of December 25, 1923, the bucket, however, being of the type shown in an application filed by me on March 30, 1925, Serial No. 19,342.

For the purpose of illustration of this invention, only a part of the paver is shown, there being noticed in Fig. 1 a frame 1, supported by the Multi-Foote tractor 2, while mounted on the frame is the usual rotary drum 3 which is operated by an engine (not shown). Uprights 4 are provided and a platform 5, or super-structure is seen near the top of the drum, while to the rear of this platform is pivoted the skip-support 6, which will be hereinafter referred to more in detail. Pivotally supported at the front of the platform is the boom support 7, -which likewise will be explained fully in detail.

Extending horizontally from the paver is the adjustably positioned boom 8 on which travels a carriage 9 supporting the bucket 10 which is operated and tripped by cables, as explained in my two above mentioned patents.

Secured near the outer end of the boom 8 is a yoke 11 carrying the pulley 12 over which passes the cable 13 which in turn is passed over the pulleys 14 and then passing about a small drum15 mounted on a stubshaft 16. This stub shaft is mounted in a bracket 17 which is secured to the cross bar 18, the latter being riveted to the legs 19 of the aforementioned A-frame 7. The small drum 15 is operated through the gear 20 meshing with the worm 21 on the shaft 22,

which is mounted in the bearing 23 and revolved by the wheel 24.

As will be readily understood, a movement of this wheel 24 when the parts are in position, as shown in Fig. 1, will elevate or lower the outer end of the boom to properly space the bucket from the surface to be paved.

Fig. 2 is a fragmentary side elevation of Referring now more in detail to the structure and arrangement of the Aframe 7, it will be seen in the several figures that the legs 19 are pivoted at their lower ends 19 to the platform or super-structure 5, the

' These struts straddle the angularly disposed member 27 which is a part of the backbone 28 of the skip support 6, as will be referred to shortly in detail.

Referring again to the A-shaped frame, it will be noted that the apex is braced by the gusset or plate 29.

By mounting the several parts, namely, the pulleys, drum and worm, on the A- frame, it makes it possible to lower this frame and still be able to take up the slack in the cable, and thus support the boom.

Also connected to the apex of this frame and extending rearwardly, is the tie-rod or brace 30 which is either pivoted or bolted to the A-frame and is pinned to the backbone of the skip frame, as may be clearly seen in Fig. 1.

When it is desired to lower this A-frame boom support, the bolts may be removed as at 26 of the'struts 25 and the pin at the end of the rod30 may be removed, thus allowing the A-frame to assume the horizontal position as shown invFig. 2, a part of the paver-frame supporting the A-frame in this horizontal position.y

lVhen the A-frame is in its thus lowered position, the wheel 24 may be revolved to take up the slack in the cable 13, and thus the boom will be supported even though the A-frame is in its lowered position. This is desirable, as heretofore, as far as I am aware, the boom has not been held in a supported position at its outer end, under such conditions, or, it has not been possible to 'just lower the support for the boom.

As mentioned in the specification the over all height is generally so great that certain inconveniences are present in the ordinary form of paver, whereas in the applicants conception, it is possible to lower the boom support to thus greatly lessen the overall height of the paver, and at the same time support the outer end of the boom.

It will also be seen -that the lowering of this support is but the work of a few minutes, rather than disassembling the entire boom support, as is done in ordinary practice.

Referring now to the skip support, there is shown the V-shaped legs 31 connected by the plate 32, while further rods 33 converge and are connected at their outer end to the backbone 28 heretofore mentioned. At the outer end of this frame is a pulley 34 over which passes the cable 35 to elevate the skip (not shown).

The V-shaped legs 31 and the rods 33 are pivotally secured as at 36 to a part of the platform 5, so that-this skip-support may be quickly lowered to the position shown in Fig. 7 At the lower end of the angle forming the backbone 28there are shown a plurality of holes 37, so that this member may be pinned to the other portion 27, heretofore mentioned.

I have also shown small braces 38 between the backbone 28 and the V-shaped legs 31, and it will be understood that other braces might be used to tightly tie the several parts of this skip support in position.

The cable 35 passes over small pulleys 39 on the member 27 and then extend to a drum (not shown) so that the skip may be elevated and lowered when desired.

From the foregoing it will be seen that I have provided a pivotal support in the form of an A-frame for the boom, which support not only functions when in its upright position to support the horizontal boom, but may be lowered when the paver is travelling, and even though lowered, will support the boom from near its outer end, thus making it possible to greatly decrease the over-all height of the paver.

In a like manner, the skip support may be quickly lowered, and it is readily ,ap-

' parent that it takes but a few minutes to elevate or lower both or either of these supports.

AFurthermore, by tying the boom support to the skip support, the respective loads will have a tendency to more rigidly hold the skip-support and boom support in their normal position.

Many slight changes might be made without in any way departing from the spirit and scope of the invention.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is 1. In combination with a concrete paver, a boom, an A-shaped frame mounted on the paver, said frame tiltable from an upright to a horizontal position, and an Iadjustable cable extending from the frame to the booln and said frame and cable supporting the boom when the frame is in its horizontal and upright positions.

2. In combination with a concrete paver, a boom, tiltable uprights secured on the paver and adapted to extend in a vertical or horizontal position, a cross bar between said uprights, a cable indirectly attached to said cross bar and said boom, and the frame and cable arranged to support the boom when the tiltable uprights are in their horizontal and vertical position.

3. In combination with a concrete paver,

unwinding said cable, and said'` frame and cable arranged to support the boom when theframe is in its horizontal and upright position.

5. In combination with a paver, a boom, a cable secured near the outer end thereof, a support swingingly mounted on said paver, a drum on said support and movable bodily with the support, the cable attached to said drum, and the cable, drum and frame arranged to horizontally support the boom when the frame is in its lowered or upright position.

6. In a concrete paver, a boom, an A-shaped frame tiltably mounted on the paver and adapted to extend in an upright and horizontal position, means on the crossbar of the frame for taking up and letting out the cable, pulleys at the end of the frame over'which the cable passes, and the arrangement of the frame being such that the boom will be supported when the frame is in its upright or .horizontal position.

. In a concrete paver, a boom, an

A-shaped frame preferably mounted on the aver, a drum on the cross bar of the rame, a gear and worm cooperating with the drum, and means for operating said worm, a cable on said drum and connected to said boom, said drum and its operating parts movable bodily with said frame when said frame is lowered, so that the cable may be tightened to support the boom, when the support is in its lowered position.

8. In combination with a concrete paver, a boom, a frame pivotally mounted on the upper part of the paver for supporting said boom, a skip-support pivotally mounted to the upper part of the paver, and means for tying theV skip-support to the boom support.

9. In a concrete paver, a boom, a cable secured near the outer end thereof, a support pivotally mounted on said paver, the cable extending from the support to the boom for holding the boom when the support is in its upright and lowered position, a skip support also pivotally mounted to the frame, and said skip support connected to the boom support when both of said supports are in their upright position.

10. In combination with a paver, a boom, a cable secured near the end of the boom, a pivotal frame for su porting the boom by said cable when the rame is in its upright andlowered positions, tie rods connected to the paver and to the boom support for holding the boom support in its upright position, a pivotal skip support on said paver and a tie rod extending from the boom support to the skip support when said frames are in their upright position, and a backbone secured to the skip support and paver.

11. A concrete paver comprising a boom, a cable secured near the end of said boom, a pivotal support secured to the paver and supporting'said boom by said cable, a skip support secured to the frame of the aver and having an angularly positioen bar forming a part thereof, a second bar secured to the frame of the paver and pinned to said first mentioned bar to thereby form a backbone for securely holding the skip frame in its upright position, and a tie rod extending from said skip frame to the boom support for tying the two supports in their upright position.

12. A paver comprising a boom, a cable secured near the outer end of the boom, a frame normally extending upwardly and having the cable secured thereto for supporting said boom, a skip support pivotally secured to the rear of the paver, a backbone extending from the skip support to the paver, said backbone formed in two parts, means for pinning the same together', and a brace extending between the Askip support and the said boom support. o

13. In combination with a. concrete paver, a pivotal upright boom support, a pivotal upright skip support, means for tying'the two supports together and said boom support capable of supporting said boom when the boom support is in its lowered position. 14. In combination with a concrete paver, a boom, a cable secured thereto, an A-shapcd frame pivotally mounted on said paver and supporting the boom by said cable, a skip support in the form of an A-shaped frame and having a bar in the form of a backbone, said bar being divided, means for fastening the two said parts of the backbone to thereby hold the frame in its upright position, and means connected with the backbone and said boom supporting Yl'rame. 15. In combination with a concrete paver, a boom, a pivotal frame. secured to the paver and means extending from the frame to the boom to support the saine, a pivotal skip support also secured to the paver and having a backbone adapted to be pivotally connected to the paver when the skip support is in its upright position, and means extending from the said backbone to the pivotal frame for supporting the boom to thereby tie the pivotal frame and skip support to each other.

In testimony whereot` 1 aflix my signature.

CHARLES E. FOOTE. 

